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Best CO2 Systems for Paintball: Tanks, Regulators & Parts

Curated from 339 real Reddit comments and discussions across 6 products.

Refreshed on: April 23, 2025

Snoop’s Take

In the wild world of DIY CO2 fueling, community champs share a few standout traits: rock-solid reliability, leakproof seals, lightweight aluminum builds, and enough shot capacity to keep your marker singing well past morn. Universal fit, fresh manufacture dates, and knurled adapters that won’t slip under pressure also win big Reddit karma. On the flip side, the worst offenders come with stuck lids, shredded O-rings, absent regulators, and that nagging sense that CO2 is so 90s—plus questionable value vs. paintball-specific HPA systems. Buyer beware: cheap adapters and throwaway tanks may leave you stranded mid-skirmish.

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Top Considerations Before Purchasing

High Shot Capacity - Ensures longer play without refill panic.
Leakproof Design Matters - Prevent messy CO₂ leaks and performance hiccups.
Lightweight Build Wins - Reduces fatigue for quick maneuvers all game.
Check Regulator Needs - CO₂ tanks often missing regulators, add extra setups.

All Products that we Rated

Our Winner
Entry-Level Play
Maddog 20 Oz Refillable Aluminum CO2 Paintball Tank
8.4
Maddog 20 Oz Refillable Aluminum CO2 Paintball Tank

Buy on Amazon at $34

Read Our Full Review

Reddit Feedback
U
“My first CO2 system cost me $0... Will it work? Gonna try it on my plant farm tank first”➕
U
“Anyone has experience with countertop reverse osmosis? I am thinking to buy the 4-stages system from AquaTru but I would...”➕
U
“This doesn't seem right. Is this right? Took up someone's recommendation and bought a maddog paintball tank for my co2 s...”➕
Snoop Score Breakdown
Sentiment
7.5
Popularity
9.3
Feautures
8.6
✅ Recommended
Our Runner Up
ICO 10pcs 12 Gram CO2 Cartridges
6.5
ICO 10pcs 12 Gram CO2 Cartridges

Buy on Amazon at $9

Read Our Full Review

Reddit Feedback
U
“There are so many systems, with salt, with UV light, and every seller seems to have very different option about it.”➕
U
“iSpring RCC7AK Water Filter System - great water filter, check this out!”➕
U
“We are trying to contact some local companies to get quotes but I want to know what brands are great for their quality/r...”➕
Snoop Score Breakdown
Sentiment
10.0
Popularity
10.0
Feautures
3.6
✅ Recommended

Other Products the Community Recommends

Tournament & Competitive Use
Action Village 20oz CO2 Paintball Tank
6.2
Action Village 20oz CO2 Paintball Tank

Buy on Amazon at $28

Read Our Full Review

Reddit Feedback
U
“Science AMA Series: I am Shannon Bragg-Sitton, I lead a research program at Idaho National Laborator”➕
U
“Do our bodies feel (and react to) the latest increase in atmospheric carbon dioxide levels? I recently read in an articl...”➕
U
“The human olfactory system can only detect CO2 past 1000ppm. That's the smell of a bedroom that's been slept in.”➕
Snoop Score Breakdown
Sentiment
2.5
Popularity
9.0
Feautures
6.1
✅ Recommended
Small Cartridge Adaptation
JT CO2 Paintball Tank Adaptor
6.0
JT CO2 Paintball Tank Adaptor

Buy on Amazon at $6

Read Our Full Review

Reddit Feedback
U
“Real CO2 system advice!”➕
U
“Firstly stunning tank.”➕
U
“CO2 is obsolete in this day and age for almost all markers you would buy apart from a couple of things like a tipx or so...”➕
Snoop Score Breakdown
Sentiment
6.7
Popularity
9.2
Feautures
5.3
✅ Recommended

Products You Will Return...

HK Army 20oz Aluminum CO2 Tank
3.7
HK Army 20oz Aluminum CO2 Tank

Buy on Amazon at $27

Read Our Full Review

Reddit Feedback
U
“the tank itself doesn’t vary much in functionality”➕
U
“a tank has no "regulator" included so there's no way to fill it/use it”➕
U
“what HPA tank I should get or is CO2 is the better option”➕
Snoop Score Breakdown
Sentiment
5.0
Popularity
2.9
Feautures
2.2
❌ Not Recommended
On-Site Refilling
Maddog Paintball CO2 Fill Station
5.3
Maddog Paintball CO2 Fill Station

Buy on Amazon at $44

Read Our Full Review

Reddit Feedback
U
“Switched to paintball canister for $20 bucks then got a new solenoid and gauge, and the paintball refills cost like $6 a...”➕
U
“I saw a terrible review about it on this very same forum a couple of months ago and decided to not risk it since then.”➕
U
“Don't think this is a good idea, maybe you can find a 90 degree adapter at home depot.”➕
Snoop Score Breakdown
Sentiment
2.5
Popularity
1.2
Feautures
9.2
❌ Not Recommended

Compare On All Talked About Dimensions

Product NameImagePriceScoreCompareSee DetailsBuy Now
Maddog 20 Oz Refillable Aluminum CO2 Paintball TankMaddog 20 Oz Refillable Aluminum CO2 Paintball Tank$34
8.4
DetailsBuy
ICO 10pcs 12 Gram CO2 CartridgesICO 10pcs 12 Gram CO2 Cartridges$9
6.5
DetailsBuy
Action Village 20oz CO2 Paintball TankAction Village 20oz CO2 Paintball Tank$28
6.2
DetailsBuy
JT CO2 Paintball Tank AdaptorJT CO2 Paintball Tank Adaptor$6
6.0
DetailsBuy
Maddog Paintball CO2 Fill StationMaddog Paintball CO2 Fill Station$44
5.3
DetailsBuy
HK Army 20oz Aluminum CO2 TankHK Army 20oz Aluminum CO2 Tank$27
3.7
DetailsBuy

Products that are Best For...

From weekend warriors to tournament pros, our community’s picks cover every scenario. Whether you crave relentless shots or effortless handling, we’ve got your ideal CO₂ companion.

Entry-Level Play
Maddog 20 Oz Refillable Aluminum CO2 Paintball Tank

The Maddog 20 Oz Refillable Aluminum CO2 Paintball Tank is lightweight and easy to handle, making it ideal for casual players starting with CO2 markers. Positive feedback highlights the tank's lightwe...

Buy on AmazonRead our full review
Tournament & Competitive Use
Action Village 20oz CO2 Paintball Tank

While the tank can provide around 1000+ shots, which is beneficial for competitive play, feedback indicates that CO2 tanks are often seen as less reliable than compressed air systems. Therefore, while...

Buy on AmazonRead our full review
On-Site Refilling
Maddog Paintball CO2 Fill Station

The dual valve system and heavy-duty hoses make this product perfect for on-site refilling during back-to-back games. However, some feedback indicates potential difficulties in switching out products,...

Buy on AmazonRead our full review
Small Cartridge Adaptation
JT CO2 Paintball Tank Adaptor

The product fits perfectly for small cartridge adaptation, allowing players to use 88g/90g disposable CO2 cartridges when full tanks are not accessible. Feedback indicates that users appreciate its fu...

Buy on AmazonRead our full review

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